Lipase-catalyzed synthesis of precursor dipeptides of RGD in aqueous water-miscible organic solvents

Li Qiang Zhang, Li Xu, Xue Cheng Yang, Xiao Xia Wu, Xue Zhong Zhang

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

PPL-catalyzed synthesis of the precursor dipeptides of RGD as a cellular adhesion factor, Benzyl-Arg-Gly-NH2 and CBZ-Gly-Asp-NH2, was conducted in water-organic cosolvents systems. Five water-miscible organic solvents, which have some advantage over the water-immiscible organic solvent systems or the anhydrous organic solvent systems used often in protease-catalyzed synthesis of a peptide bond, were tested. The reaction condition of PPL-catalyzed synthesis of the dipeptides was optimized by examining the main factors affecting the product yield. The optimal reaction condition for the synthesis of Benzyl-Arg-Gly-NH2 was set up as pH 8.0, 15°C in 40% MeOH for 10 h with the maximum yield of 73.6%. The optimum condition for the synthesis of CBZ-Gly-Asp-NH2 was pH 7.0, 15°C in 50% MeOH for 10h with the maximum yield of 67.0%.

Original languageEnglish (US)
Pages (from-to)1-12
Number of pages12
JournalPreparative Biochemistry and Biotechnology
Volume33
Issue number1
DOIs
StatePublished - 2003
Externally publishedYes

Keywords

  • Dipeptide synthesis
  • Lipase
  • Organic solvents
  • RGD

ASJC Scopus subject areas

  • Biotechnology
  • Biochemistry

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